Key;
Laboratory;
for;
Enhanced;
Oil;
and;
Gas;
Recovery;
of;
Ministry;
of;
Education,;
Daqing;
Petroleum;
Institute,;
Daqing;
163318,;
China;
Exploration;
and;
Development;
Research;
Institute;
of;
Jidong;
Oilfield,;
PetroChina,;
Tangshan;
063000,;
China;
压力梯度; 行星运动; 流动流体; 数值计算; 内蒙古; 水解聚丙烯酰胺; 潮流; 待定系数法;